<!DOCTYPE html>
<title>
  Multi-line row flex fragmentation: tall content inside constrained block.
</title>
<link rel="help" href="https://github.com/w3c/csswg-drafts/issues/6056#issuecomment-951767882">
<link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#pagination">
<link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
<style>
  #flex {
    display: flex;
    flex-wrap: wrap;
    height: 25px;
    background: red;
  }
  #flex > div {
    width: 100%;
    background: green;
    contain: size;
  }
</style>
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div style="width:100px; height:100px; background:red;">
  <div style="columns:2; column-fill:auto; column-gap:0; height:100px;">
    <div style="height:50px; background:green;"></div>
    <div id="flex">
      <div style="height:150px; position:relative;">
        <div style="position:absolute; top:50px; height:100px; width:100%; background:white;"></div>
      </div>
      <div style="height:100px;"></div>
    </div>
  </div>
</div>
